fix(pickup): prevent null rowversion on settings and slots save

src/Api/TakeoutSaaS.TenantApi/Controllers/StorePickupController.cs

@@ -1,4 +1,5 @@
 using System.Text.Json;
+using System.Security.Cryptography;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
@@ -92,6 +93,7 @@ public sealed class StorePickupController(
         setting.AllowDaysAhead = Math.Clamp(request.BasicSettings.BookingDays, 1, 30);
         setting.MaxQuantityPerOrder = request.BasicSettings.MaxItemsPerOrder;
         setting.Mode = request.Mode is null ? setting.Mode : StoreApiHelpers.ToPickupMode(request.Mode);
+        setting.RowVersion = CreateRowVersion();
 
         await dbContext.SaveChangesAsync(cancellationToken);
         return ApiResponse<object>.Ok(null);
@@ -110,6 +112,7 @@ public sealed class StorePickupController(
 
         var setting = await EnsurePickupSettingAsync(tenantId, parsedStoreId, cancellationToken);
         setting.Mode = request.Mode is null ? setting.Mode : StoreApiHelpers.ToPickupMode(request.Mode);
+        setting.RowVersion = CreateRowVersion();
 
         var existingSlots = await dbContext.StorePickupSlots
             .Where(x => x.TenantId == tenantId && x.StoreId == parsedStoreId)
@@ -137,7 +140,8 @@ public sealed class StorePickupController(
                 Capacity = capacity,
                 ReservedCount = Math.Clamp(slot.ReservedCount, 0, capacity),
                 Weekdays = StoreApiHelpers.SerializeWeekdays(slot.DayOfWeeks),
-                IsEnabled = slot.Enabled
+                IsEnabled = slot.Enabled,
+                RowVersion = CreateRowVersion()
             });
         }
 
@@ -163,6 +167,7 @@ public sealed class StorePickupController(
 
         var setting = await EnsurePickupSettingAsync(tenantId, parsedStoreId, cancellationToken);
         setting.Mode = request.Mode is null ? setting.Mode : StoreApiHelpers.ToPickupMode(request.Mode);
+        setting.RowVersion = CreateRowVersion();
 
         var normalizedRule = NormalizeFineRule(request.FineRule);
         setting.FineRuleJson = JsonSerializer.Serialize(normalizedRule, StoreApiHelpers.JsonOptions);
@@ -218,7 +223,8 @@ public sealed class StorePickupController(
             {
                 targetSetting = new StorePickupSetting
                 {
-                    StoreId = targetStoreId
+                    StoreId = targetStoreId,
+                    RowVersion = CreateRowVersion()
                 };
                 await dbContext.StorePickupSettings.AddAsync(targetSetting, cancellationToken);
             }
@@ -229,6 +235,7 @@ public sealed class StorePickupController(
             targetSetting.MaxQuantityPerOrder = sourceSetting?.MaxQuantityPerOrder ?? 20;
             targetSetting.Mode = sourceSetting?.Mode ?? StorePickupMode.Big;
             targetSetting.FineRuleJson = sourceSetting?.FineRuleJson;
+            targetSetting.RowVersion = CreateRowVersion();
         }
 
         var targetSlots = await dbContext.StorePickupSlots
@@ -247,7 +254,8 @@ public sealed class StorePickupController(
                 Capacity = slot.Capacity,
                 ReservedCount = slot.ReservedCount,
                 Weekdays = slot.Weekdays,
-                IsEnabled = slot.IsEnabled
+                IsEnabled = slot.IsEnabled,
+                RowVersion = CreateRowVersion()
             }))
             .ToList();
 
@@ -275,12 +283,18 @@ public sealed class StorePickupController(
 
         setting = new StorePickupSetting
         {
-            StoreId = storeId
+            StoreId = storeId,
+            RowVersion = CreateRowVersion()
         };
         await dbContext.StorePickupSettings.AddAsync(setting, cancellationToken);
         return setting;
     }
 
+    private static byte[] CreateRowVersion()
+    {
+        return RandomNumberGenerator.GetBytes(16);
+    }
+
     private static PickupFineRuleDto ParseFineRule(string? raw)
     {
         if (!string.IsNullOrWhiteSpace(raw))

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/TakeoutAppDbContext.cs

@@ -1093,7 +1093,9 @@ public sealed class TakeoutAppDbContext(
         builder.Property(x => x.Mode).HasConversion<int>();
         builder.Property(x => x.FineRuleJson).HasColumnType("text");
         builder.Property(x => x.RowVersion)
-            .IsConcurrencyToken();
+            .IsRequired()
+            .IsConcurrencyToken()
+            .ValueGeneratedNever();
         builder.HasIndex(x => new { x.TenantId, x.StoreId }).IsUnique();
     }
 
@@ -1106,7 +1108,9 @@ public sealed class TakeoutAppDbContext(
         builder.Property(x => x.Weekdays).HasMaxLength(32).IsRequired();
         builder.Property(x => x.CutoffMinutes).HasDefaultValue(30);
         builder.Property(x => x.RowVersion)
-            .IsConcurrencyToken();
+            .IsRequired()
+            .IsConcurrencyToken()
+            .ValueGeneratedNever();
         builder.HasIndex(x => new { x.TenantId, x.StoreId, x.Name });
     }
 

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/TakeoutTenantAppDbContext.cs

@@ -283,7 +283,10 @@ public sealed class TakeoutTenantAppDbContext(
         builder.Property(x => x.AllowDaysAhead).HasDefaultValue(3);
         builder.Property(x => x.DefaultCutoffMinutes).HasDefaultValue(30);
         builder.Property(x => x.MaxQuantityPerOrder);
-        builder.Property(x => x.RowVersion).IsRowVersion();
+        builder.Property(x => x.RowVersion)
+            .IsRequired()
+            .IsConcurrencyToken()
+            .ValueGeneratedNever();
         builder.HasIndex(x => new { x.TenantId, x.StoreId }).IsUnique();
     }
 
@@ -300,7 +303,10 @@ public sealed class TakeoutTenantAppDbContext(
         builder.Property(x => x.ReservedCount).HasDefaultValue(0);
         builder.Property(x => x.Weekdays).HasMaxLength(32).HasDefaultValue("1,2,3,4,5,6,7");
         builder.Property(x => x.IsEnabled).HasDefaultValue(true);
-        builder.Property(x => x.RowVersion).IsRowVersion();
+        builder.Property(x => x.RowVersion)
+            .IsRequired()
+            .IsConcurrencyToken()
+            .ValueGeneratedNever();
         builder.HasIndex(x => new { x.TenantId, x.StoreId, x.StartTime, x.EndTime }).IsUnique();
     }
 }